Download Dynatron K785

NEW PRODUCT SPEC SHEET
Model Number: K785
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Recommend for Intel® Xeon® Processor E3 Family, Socket LGA1155
2nd Generation Core™ i3 / i5 / i7 Desktop Processors, Socket LGA1155
Previous Generation Core™ i3 / i5 / i7 Desktop Processors, Socket LGA1156
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Active Cooler for 2U Server & Up
Overall Specification:
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Dimension: 90.0 x 90.0 x 62.0 mm
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Weight: 500g ± 5g
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Material: Aluminum Extruded Radial Fin Heat Sink with Copper Inserted
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7720 Top-Down Blowing Fan
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Screw Fastener Captive Mounting
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Back Strip is included
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TIG830SP Thermal Grease Pre-Printed
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Support CPU Power up to 95Watts
Fan Specification:
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Dimension: 77 x 77 x 20mm
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Bearing: Double-Ball
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Rated Voltage: 12V
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Rated Speed:
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o
At Duty Cycle 0~20%: 1000 RPM
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At Duty Cycle 50%: 2500 RPM
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At Duty Cycle 100%: 4500 RPM
Rated Input Power:
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At Duty Cycle 0~20%: 0.84 W
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At Duty Cycle 50%: 1.44 W
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At Duty Cycle 100%: 6.0 W
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Rated Airflow:
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At Duty Cycle 0~20%: 10.12 CFM
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At Duty Cycle 50%: 25.30 CFM
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At Duty Cycle 100%: 45.56 CFM
Rated Static Pressure:
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At Duty Cycle 0~20%: 0.185mm-H2O
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At Duty Cycle 50%: 1.156mm-H2O
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At Duty Cycle 100%: 3.746mm-H2O
Rated Acoustical Noise:
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At Duty Cycle 0~20%: 13.14 dBA
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At Duty Cycle 50%: 33.04 dBA
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At Duty Cycle 100%: 45.8 dBA
Lead Wire Pin Out:
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Pin#1-Black(-)
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Pin#2- Yellow(+)
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Pin#3- Green(Tachometer/ Signal Output)
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Pin#4- Blue (PWM)
0.34
0.338
45
0.32
40
0.312
0.3
0.287
35
0.28
0.26
0.264
4500
No ise L evel (d BA)
T h erm al Resistan ce (°c/w )
Performance Chart, K785 Thermal Resistance VS. Cooling Fan Speed & Noise
R-th
Noise
30
4000
3500
3000
Fan Speed (RPM)
2